Your friend might be the one with gynecomastia, which means swollen breast tissues in boys or men. It can be possible if the hormones are not in a proper balance during puberty. Usually, gynecomastia goes by itself, but sometimes, if it causes problems, it can be treated. Your friend should speak with a dermatologist to get more details and see if any treatment is necessary.

Stress, insufficient nutrients, hormonal imbalances, or even the aftermath of an illness can be the reasons for rapid hair fall. A balanced diet, stress reduction, and using mild hair care products will help you. If the issue persists, it may be beneficial to consult a dermatologist to receive tailored guidance.

You may be having a skin reaction to the things you put on your wound. This has formed a stain on your knee. Temporary things like turmeric, garlic, and mustard oil can be used on the wound but may cause skin irritation. To facilitate the healing, discontinue those substances and keep the area clean. You may also find some relief by applying a light moisturizer. If it doesn't get better, see a dermatologist for more help.

You may have a skin condition called eczema. Eczema can manifest itself as red and itchy spots on hands, arms, and legs. This is not something that you can pick up from another person. Stress, allergies, or dry skin are the factors that make it worse. Gentle moisturizers and avoiding the use of harsh soaps can be safe variations. If it still bothers you, visit a dermatologist.

You might have a condition called balanitis. This issue occurs when the penis' foreskin becomes inflamed and red, and, in some cases, white patches can appear. The burning of the urine and the clear discharge may also be the result of this. Balanitis may occur due to hygiene issues, infections, or skin problems. Wash the area regularly and dry it, not use soaps that are too harsh, and prefer loose clothing. If the symptoms continue, a dermatologist can give medicine to make them go away. 

Vitiligo is a medical condition where white spots appear on the skin. It is also capable of changing the color of hair. The exact cause is not known, although it is thought to occur when the cells that give skin and hair their color are damaged. There is no cure for vitiligo, however, treatments such as creams and light therapy may help to make the skin look better. It's best to see a dermatologist for the right treatment.

Microdermabrasion does not work in pregnancy stretch marks. It is either CO2 Laser with PRP or micro-needling radiofrequency with PRP that works best

Dandruff and red rashes on a shaved head could be due to seborrheic dermatitis, which causes red, scaly patches on the scalp from excess yeast. Using an anti-dandruff shampoo with ketoconazole or selenium sulfide can help. It's also important to keep your scalp clean and dry. If the rashes persist, consulting a dermatologist is advisable.

Scalp psoriasis can make your scalp red, itchy, and have thick scales. It cannot be cured but can be controlled. Treatments like medicated shampoos, creams, and light therapy can help alleviate the symptoms. If left untreated, it can cause hair loss or joint pain. It is essential to collaborate with a dermatologist to discover the most suitable treatment strategy for you.

You have been suffering from an intense heat all over your body for a month. This could be due to dry skin, insect bites, or an allergic reaction. Use a soft and gentle soap and moisturizing lotion, and avoid scratching. If the itching continues, you might want to seek out a dermatologist for advice.

You may be suffering from a skin problem called acne. Acne is a consequence of hair follicles being blocked by too much oil and dead skin cells on your skin. Consequently, the skin can become red and itchy and pimples can occur. Allergies or some particular products may also aggravate acne. The best method to clear up the skin is to use gentle non-comedogenic cleaning products and keep your skin clean to the maximum.

Boils are typical and often disappear but it is better to have them treated. If you have a boil on your private part that is growing but not hurting, it may be a sign that you have an infection. Clean and fresh air is okay. You can apply warm compresses to the area to help it drain. In the case that it doesn't improve or the pain starts, you should consult a dermatologist.

Hair loss among teenagers can be caused by different factors such as stress, bad nutrition, or some medical conditions. Do you detect more hair than usual lying on the pillow or in the shower? Start eating a balanced diet, managing your stress, and being gentle with your hair. If it still happens, visit a dermatologist. 

You might have a medical condition named acanthosis nigricans. It can sometimes cause the lower face to be darker than the rest. It's not dangerous but could be a sign of something more serious, like insulin resistance, that is happening inside your body. You can fix this by eating cleaner, being active, and maintaining skin health. Furthermore, consume a lot of water. 

The round ulcer on the left side of your mouth might be due to a lot of reasons, like biting your cheek accidentally or a viral infection. Since you are not feeling any pain or eating difficulty, it seems to be a minor issue. You can try swishing your mouth with warm salt water or avoiding spicy and hot foods for a couple of days and see if it helps. If it doesn't go away after a week or two, it's best to have it checked by a dentist to be safe.